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Doubles in session


Current system
12307+7518
DOO 55
HD 109027


Nearby doubles
6' : 12295+7515
HJ 2612

8' : 12324+7518
TDS8427

14' : 12276+7525
LDS1751

32' : 12321+7449
STF1654

37' : 12278+7554
FMR 106

37' : 12387+7458
LDS1754

38' : 12285+7444
FOX 69

42' : 12372+7553
MLR 326

46' : 12423+7510
LDS1755

53' : 12398+7441
HJ 2618

65' : 12229+7422
TDS8357

66' : 12399+7425
HJ 2619

71' : 12430+7613
MFL 74

78' : 12322+7636
KPP 274

87' : 12107+7440
KPP3250

91' : 12193+7640
MFL 52

95' : 12349+7653
MFL 64

104' : 12454+7647
TDS 675

116' : 12300+7324
HJ 2613

123' : 12365+7319
A 1091AB

123' : 12256+7721
MFL 63

125' : 12139+7708
SKF2773

129' : 12222+7315
TOK 26

132' : 12483+7714
MLR 428

144' : 12118+7726
HDS1721

148' : 12118+7312
LDS1749



Selections
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Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12307+7518 DOO 55 (HD 109027)

 
 
12h 30m 31.92s +75° 19' 09.6" P.A. 56.00 sep 4.5 mag 10.80,11.90 Sp F8
 
 
Coord 2000 12307+7518 Discov num DOO  55 Comp Coord arcsec 2000 12 30 31.92 +75 19 09.6
Date first 1897 Date last 2017 Obs 13
Pa first 54 Pa last 56 P.A. Now (θ) 56°
Sep first 4.6 Sep last 4.476 Sep. Now (ρ) 4.476"
Mag pri 10.80 Mag sec 11.90 delta mag (ΔM) 1.1 Spectral class F8 (yellow-white)
Pri motion ra -002 Sec motion ra +017
Pri motion dec -011 Sec motion dec -003
Notes
rPM=1.194
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 109027 Constellation Draco Tycho2 4551-00818-1 Gaia DR2 1692423754090555264
HD 109027
 
 
WDS 12307+7518 DOO 55 (HD 109027) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Doo1901 Ma j Doolittle, E. 1901PFAO....1c...1D
Doo1901 Pub. Univ. Penn. 1, Pt. 3, 1901
Doo1903a Ma - Doolittle, E. 1903AJ.....23..175D
Doo1903a AJ 23, 175, 1903 (also in Pub. Univ. Penn. 2, Pt. 3, 1905)
Doo1903b Ma j Doolittle, E. 1903AJ.....23..177D
Doo1903b AJ 23, 177, 1903 (also in Pub. Univ. Penn. 2, Pt. 3, 1905)
Doo1905a Ma j Doolittle, E. 1905PFAO....2c...1D
Doo1905a Pub. Univ. Penn. 2, Pt. 3, 1905
Doo1905b Ma - Doolittle, E. (measure by Hadley, J.M.) 1905PFAO....2c...1D
Doo1905b Pub. Univ. Penn. 2, Pt. 3, 1905
Doo1906A Ma - Doolittle, E. 1906MmRAS..56....1L
Doo1906A +orb cited by Lewis (MemRAS 56, 1, 1906)
Doo1906B Ma - Doolittle, E. 1906QB821.B972.....
Doo1906B cited in BDS (Burnham Double Star Cat., 1906)
Doo1907 Ma j Doolittle, E. 1907PFAO....3c...1D
Doo1907 Pub. Univ. Penn. 3, Pt. 3, 1907
Doo1912 Ma j Doolittle, E. 1912PFAO....4a...1D
Doo1912 Pub. Univ. Penn. 4, Pt. 1, 1912
Doo1913A Ma - Doolittle, E. 1913QB811.B8.......
Doo1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Doo1915a Ma - Doolittle, E. 1915MNRAS..75..666D
Doo1915a MNRAS 75, 666, 1915
Doo1915b Ma - Doolittle, E. 1915PFAO....4a...1D
Doo1915b Pub. Univ. Penn. 4, Pt. 1, 1915
Doo1915c Ma - Doolittle, E. 1915AJ.....29...49D
Doo1915c AJ 29, 49, 1915
Doo1923 Ma j Doolittle, E. 1923PFAO....4b...1D
Doo1923 Pub. Univ. Penn. 4, Pt. 2, 1923
Doo1932A Ma - Doolittle, E. 1932QB821.A43......
Doo1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12307+7518 DOO 55 2003 8 55 4.4 10.80 11.90 F8 D 123031.92+751909.6
12307+7518 DOO 55 2004 9 55 4.4 10.80 11.90 F8 D 123031.92+751909.6
12307+7518 DOO 55 2016 10 54 4.3 10.80 11.90 F8 123031.92+751909.6
12307+7518 DOO 55 2017 11 56 4.5 10.80 11.90 F8 123031.92+751909.6

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 12307+7518 DOO 55 (HD 109027) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12307+7518 DOO 55 (HD 109027) : MEASURES
 
 
No records found.

 
 
WDS 12307+7518 (HD 109027) : VIRTUAL EYEPIECE
 
 

12307+7518 DOO 55A mag 10.8 Sp F8 12307+7518 DOO 55B sep 2.7 P.A. 20.60 mag 11.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 12307+7518 (HD 109027) : ALADIN DSS IMAGE @ 12h 30m 31.92s +75° 19' 09.6"
 
 
 
 
WDS 12307+7518 DOO 55 (HD 109027) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12307+7518 DOO 55 distance=0' 12295+7515 HJ 2612 distance=6' 12324+7518 TDS8427 distance=8' 12276+7525 LDS1751 distance=14' 12321+7449 STF1654 distance=32' 12278+7554 FMR 106 distance=37' 12387+7458 LDS1754 distance=37' 12285+7444 FOX 69 distance=38' 12372+7553 MLR 326 distance=42' 12423+7510 LDS1755 distance=46' 12398+7441 HJ 2618 distance=53' 12229+7422 TDS8357 distance=65' 12399+7425 HJ 2619 distance=66' 12430+7613 MFL 74 distance=71' 12322+7636 KPP 274 distance=78' 12107+7440 KPP3250 distance=87' 12193+7640 MFL 52 distance=91' 12349+7653 MFL 64 distance=95' 12454+7647 TDS 675 distance=104' 12300+7324 HJ 2613 distance=116' 12365+7319 A 1091AB distance=123' 12365+7319 HJL1071AC distance=123' 12256+7721 MFL 63 distance=123' 12139+7708 SKF2773 distance=125' 12222+7315 TOK 26 distance=129' 12483+7714 MLR 428 distance=132' 12118+7726 HDS1721 distance=144' 12118+7312 LDS1749 distance=148' 12448+7741 FMR 110 distance=150' 12250+7750 MFL 65 distance=152' 12417+7229 UC 2388AB distance=176' 12242+7824 MFL 60 distance=187' 12137+7826 HU 891 distance=196' 12487+7209 MLR 327 distance=205' 12490+7207 TDS 676AC distance=207' 12393+7850 MFL 61 distance=213' 12408+7901 MLR 427 distance=225' 12135+7859 TDS8272 distance=228' 12457+7133 LDS1756 distance=235' 12206+7912 TDS8341 distance=235' 12392+7912 MFL 59 distance=235' 12184+7939 MFL 48 distance=263' 12383+8003 KPP3257 distance=286' 12155+8003 FYM 631 distance=289' 12162+8008 STF1625AB distance=292' 12162+8008 WAL 61AC distance=292' 12165+8016 MFL 42 distance=300' 12402+7019 NSN 632 distance=303' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 12307+7518 DOO 55 56 4.5
Show 12295+7515 HJ 2612 288 13.3 6
Show 12324+7518 TDS8427 130 1.5 8
Show 12276+7525 LDS1751 110 74.7 14
Show 12321+7449 STF1654 23 3.8 32
Show 12278+7554 FMR 106 338 35.3 37
Show 12387+7458 LDS1754 13 11.7 37
Show 12285+7444 FOX 69 64 2.4 38
Show 12372+7553 MLR 326 67 0.8 42
Show 12423+7510 LDS1755 126 6.1 46
Show 12398+7441 HJ 2618 202 32.7 53
Show 12229+7422 TDS8357 130 1.9 65
Show 12399+7425 HJ 2619 265 24.5 66
Show 12430+7613 MFL 74 359 4.6 71
Show 12322+7636 KPP 274 30 3.8 78
Show 12107+7440 KPP3250 179 1.1 87
Show 12193+7640 MFL 52 8 16.0 91
Show 12349+7653 MFL 64 50 9.6 95
Show 12454+7647 TDS 675 97 1.4 104
Show 12300+7324 HJ 2613 306 24.9 116
Show 12365+7319 A 1091 AB 320 3.8 123
Show 12365+7319 HJL1071 AC 159 78.0 123
Show 12256+7721 MFL 63 257 18.8 123
Show 12139+7708 SKF2773 138 5.8 125
Show 12222+7315 TOK 26 319 10.2 129
Show 12483+7714 MLR 428 71 2.2 132
Show 12118+7726 HDS1721 280 0.7 144
Show 12118+7312 LDS1749 148 8.9 148
Show 12448+7741 FMR 110 296 51.4 150
Show 12250+7750 MFL 65 325 10.4 152
Show 12417+7229 UC 2388 AB 198 22.5 176
Show 12242+7824 MFL 60 34 6.4 187
Show 12137+7826 HU 891 12 2.8 196
Show 12487+7209 MLR 327 288 0.2 205
Show 12490+7207 TDS 676 AC 337 2.0 207
Show 12393+7850 MFL 61 142 6.5 213
Show 12408+7901 MLR 427 220 2.0 225
Show 12135+7859 TDS8272 127 0.6 228
Show 12457+7133 LDS1756 189 7.6 235
Show 12206+7912 TDS8341 212 1.3 235
Show 12392+7912 MFL 59 317 5.6 235
Show 12184+7939 MFL 48 13 10.4 263
Show 12383+8003 KPP3257 357 1.8 286
Show 12155+8003 FYM 631 138 7.7 289
Show 12162+8008 STF1625 AB 217 14.5 292
Show 12162+8008 WAL 61 AC 245 48.1 292
Show 12165+8016 MFL 42 129 18.6 300
Show 12402+7019 NSN 632 99 4.1 303

 
 
WDS 12307+7518 : COMPONENTS
 
 
  A
B pa=20.6°
sep=2.67"
 
 
12307+7518 A
 
 
Componente originario normalizzato AB Name HD 109027 Coord arcsec 2000 123031.92+751909.6 Mag 10.8
Spectral class F8 (yellow-white) PmRA -2.00 PmDE -11.0 Tycho2 4551-00818-1
HD 109027
Tycho2
Tycho2 4551-00818-1 Pflag RAmdeg 187.63301893 DEmdeg 75.31933328
PmRA 15.2 PmDE -1.8 E RAmdeg 31 E DEmdeg 31
E pmRA 2.6 E pmDE 2.8 EpRAm 1990.19 EpDEm 1990.40
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 11.104 E BTmag 0.052 VTmag 10.443
E VTmag 0.044 Prox 999 TYC T HIP
CCDM RAdeg 187.63288028 DEdeg 75.31933750 EpRA 1990 1.70
EpDE 1990 1.72 E RAdeg 30.9 E DEdeg 30.5 Posflg
Corr 0.0
 
 
12307+7518 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 123032.17+751912.1 Mag 11.9 PmRA 17.00
PmDE -3.0 Calc delta mag 1.1 Calc coord yes